TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY
ABSTRACT This study aimed to establish an adequate tetrazolium test procedure to estimate okra seed viability. Initially, seeds from four okra lots were immersed in alcohol (98%) for 60 minutes, followed by an 18-h soak in distilled water at 25 °C. Then, the seeds were longitudinally sectioned, immersed in 0.025, 0.050 and 0.075% tetrazolium solutions for 60, 90 and 120 minutes and maintained in an oven at 35 and 40 °C. Subsequently, the seeds were evaluated for viability, based on tissue color (bright red, pink or dark Carmine red). Simultaneously, a germination test was conducted, and its results were used as a reference for the tetrazolium test. The experiment was carried out in a completely randomized design, in a 3 x 3 + 1 factorial scheme (three concentrations of tetrazolium salt x three immersion periods, plus the control) in four replicates of 50 seeds for each treatment. The tetrazolium test to estimate okra seed viability should be conducted in 0.075% tetrazolium solution, for 90 minutes, at 35 °C.
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Universidade Federal Rural do Semi-Árido
2018
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oai:scielo:S1983-212520180004008172018-12-04TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITYSouza,Antônia Adailha TorresNogueira,Narjara WalessaTorres,Salvador BarrosBenedito,Clarisse PereiraSouza Neta,Maria Lilia dePaiva,Emanoela Pereira de Malvaceae Biochemical test Quick tests. ABSTRACT This study aimed to establish an adequate tetrazolium test procedure to estimate okra seed viability. Initially, seeds from four okra lots were immersed in alcohol (98%) for 60 minutes, followed by an 18-h soak in distilled water at 25 °C. Then, the seeds were longitudinally sectioned, immersed in 0.025, 0.050 and 0.075% tetrazolium solutions for 60, 90 and 120 minutes and maintained in an oven at 35 and 40 °C. Subsequently, the seeds were evaluated for viability, based on tissue color (bright red, pink or dark Carmine red). Simultaneously, a germination test was conducted, and its results were used as a reference for the tetrazolium test. The experiment was carried out in a completely randomized design, in a 3 x 3 + 1 factorial scheme (three concentrations of tetrazolium salt x three immersion periods, plus the control) in four replicates of 50 seeds for each treatment. The tetrazolium test to estimate okra seed viability should be conducted in 0.075% tetrazolium solution, for 90 minutes, at 35 °C.info:eu-repo/semantics/openAccessUniversidade Federal Rural do Semi-ÁridoRevista Caatinga v.31 n.4 20182018-12-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-21252018000400817en10.1590/1983-21252018v31n403rc |
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Souza,Antônia Adailha Torres Nogueira,Narjara Walessa Torres,Salvador Barros Benedito,Clarisse Pereira Souza Neta,Maria Lilia de Paiva,Emanoela Pereira de |
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Souza,Antônia Adailha Torres Nogueira,Narjara Walessa Torres,Salvador Barros Benedito,Clarisse Pereira Souza Neta,Maria Lilia de Paiva,Emanoela Pereira de TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY |
author_facet |
Souza,Antônia Adailha Torres Nogueira,Narjara Walessa Torres,Salvador Barros Benedito,Clarisse Pereira Souza Neta,Maria Lilia de Paiva,Emanoela Pereira de |
author_sort |
Souza,Antônia Adailha Torres |
title |
TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY |
title_short |
TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY |
title_full |
TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY |
title_fullStr |
TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY |
title_full_unstemmed |
TETRAZOLIUM TEST TO ESTIMATE OKRA (Abelmoschus esculentus (L.) MOENCH) SEED VIABILITY |
title_sort |
tetrazolium test to estimate okra (abelmoschus esculentus (l.) moench) seed viability |
description |
ABSTRACT This study aimed to establish an adequate tetrazolium test procedure to estimate okra seed viability. Initially, seeds from four okra lots were immersed in alcohol (98%) for 60 minutes, followed by an 18-h soak in distilled water at 25 °C. Then, the seeds were longitudinally sectioned, immersed in 0.025, 0.050 and 0.075% tetrazolium solutions for 60, 90 and 120 minutes and maintained in an oven at 35 and 40 °C. Subsequently, the seeds were evaluated for viability, based on tissue color (bright red, pink or dark Carmine red). Simultaneously, a germination test was conducted, and its results were used as a reference for the tetrazolium test. The experiment was carried out in a completely randomized design, in a 3 x 3 + 1 factorial scheme (three concentrations of tetrazolium salt x three immersion periods, plus the control) in four replicates of 50 seeds for each treatment. The tetrazolium test to estimate okra seed viability should be conducted in 0.075% tetrazolium solution, for 90 minutes, at 35 °C. |
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Universidade Federal Rural do Semi-Árido |
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2018 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-21252018000400817 |
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